The Microsoft-backed communications software developer boosted its total funding to nearly $45m in a round led by PrimePulse.

Unify Square, a US-based communications software developer backed by software provider Microsoft, has raised about $10m in a series C round led by investment holding company PrimePulse.

Unify Square provides unified communications software and cloud services for enterprise collaboration platforms Microsoft Teams and Skype for Business. It will invest the series C proceeds in marketing and product development.

The company said the series C round boosted its overall funding to almost $45m. It closed its last round, a series B…